<div class="form-group">
    <label class="col-md-3 control-label">{{ field.verbose_name }}</label>
    <div class="col-md-9">
        <div class="radio-list">
            <label class="radio-inline">
                <input type="radio" name="{{ field.name }}" id="{{ field.name }}_none" value="None" checked> 忽略 </label>
            <label class="radio-inline">
                <input type="radio" name="{{ field.name }}" id="{{ field.name }}_yes" value="true"> 是 </label>
            <label class="radio-inline">
                <input type="radio" name="{{ field.name }}" id="{{ field.name }}_no" value="false"> 否 </label>
        </div>
    </div>
</div>